<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE HTML>
<html>
  <head>
    <title>注册页面</title>
  </head>
  
  <body>
    <form action="${pageContext.request.contextPath}/RegisterServlet" method="post">
        用户名：<input type="text" name="username"><br/>
        密码：<input type="password" name="password"><br/>
        邮箱：<input type="text" name="email"><br/>
        <input type="submit" value="注册">
    </form>
  </body>
</html>